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CVE-2020-13960

HIGH
7.5
CVSS Score
Published: June 8, 2020 at 07:26 PM UTC
Updated: June 17, 2026 at 02:54 AM UTC
4 products affected across 1 vendorDir 600M FirmwareDsl 2730U FirmwareDIR-600M

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

D-Link DSL 2730-U IN_1.10 and IN_1.11 and DIR-600M 3.04 devices have the domain.name string in the DNS resolver search path by default, which allows remote attackers to provide valid DNS responses (and also offer Internet services such as HTTP) for names that otherwise would have had an NXDOMAIN error, by registering a subdomain of the domain.name domain name.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dir 600M Firmware· D-Link
95%
3.04
dlink-dir-600m (same device)
Dsl 2730U Firmware· D-Link
95%
in_1.10
dlink-dsl-2730u (same device)
DIR-600M· D-Linkdevice
80%
All versions
DSL-2730U· D-Linkdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://harigovind.org/articles/who-is-hijacking-my-nxdomains/

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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